Mattress bed cushion



FIG. 1 is a top perspective view of an exemplary mattress bed cushion;

FIG. 2 is a top view of the mattress bed cushion of FIG. 1, and a bottomview is identical thereto;

FIG. 3 is a left side view of the mattress bed cushion of FIG. 1, and aright side view is identical thereto; and,

FIG. 4 is a front view of the mattress bed cushion of FIG. 1, and a rearview is identical thereto.

The mattress bed cushion is shown with symbolic breaks in its length andwidth. The appearance of any portion of the article between the breaklines forms no part of the claimed design. Broken lines in the drawingsare for illustrative purposes only and do not form part of the claimeddesign.

CLAIM The ornamental design for mattress bed cushion, as shown anddescribed.